countingdlg.cpp

不说了

	BOOL bQuatoSet = FALSE;   //字符串统计标识 首次一行有奇数个"时TRUE, 下一行有奇数个"时FALSE

	int nLength = file.GetLength();
	*pnLength = nLength;

	CString bufRead;

	int nLineCommentBegin = 0;
	while(file.ReadString(bufRead)!=FALSE)
	{
		nLines++;

		bufRead.TrimLeft(); //先将文件头的空格或制表符去掉

		if(bufRead.GetLength()==0) //为空白行
		{
			nBlankLines++;
			continue;
		}

		int nDoubleSplashFoundAt = bufRead.Find("//"); // 注释符//发现于何处
		if(nDoubleSplashFoundAt!=-1 /*&& !bCommentSet*/)
		{
			if(nDoubleSplashFoundAt==0&&!bCommentSet&&!bQuatoSet) 
			{
				nCommentLines++;
				continue;
			}

			CString strRight = bufRead;
			BOOL bCounted = FALSE;
			do{
				CString strLeft = strRight.Left(nDoubleSplashFoundAt);
				if(strLeft.Find("\"")!=-1)
				{
					int nQuatos = HowManyCharsInString(strLeft, "\"", bCommentSet);
					if((!bQuatoSet&&!IsOdd(nQuatos))&&(bQuatoSet&&IsOdd(nQuatos)))
					//当前一行字符串继续时，只要//之前的"号为偶数个，则说明该//为注释符，否则，为引号内部//，非注释符
					//其他，奇数个说明//未注释符
					{
						if(m_nStatMethod==0){ nCodeLines++; bCounted=TRUE;}
						else if(m_nStatMethod==1){ nCodeLines++; nCommentLines++; bCounted=TRUE;}
						else if(m_nStatMethod==2){ nCommentLines++; bCounted=TRUE;}

						if(bQuatoSet&&IsOdd(nQuatos))bQuatoSet = FALSE;
					}
				}

				strRight = strRight.Right(strRight.GetLength()-nDoubleSplashFoundAt-2);
			}while(strRight.Find("//")!=-1&&!bCounted);
			if(bCounted)continue;

			strRight = bufRead;
			bCounted = FALSE;
			do{
				CString strLeft = strRight.Left(nDoubleSplashFoundAt);
				if(strLeft.Find("/*")!=-1)
				{
					int nCommB = HowManyCharsInString(strLeft, "/*", bCommentSet);
					int nCommE = HowManyCharsInString(strLeft, "*/", bCommentSet);
					if((!bCommentSet&&nCommB==nCommE)&&(bCommentSet&&nCommB==nCommE-1))
					//当前一行字符串继续时，只要//之前的/*个数等于*/的个数，则说明该//为注释符
					//其他，/*个数比*/个数少一个说明//未注释符
					{
						if(m_nStatMethod==0){ nCodeLines++; bCounted=TRUE;}
						else if(m_nStatMethod==1){ nCodeLines++; nCommentLines++; bCounted=TRUE;}
						else if(m_nStatMethod==2){ nCommentLines++; bCounted=TRUE;}

						if(bCommentSet&&nCommB==nCommE-1)bCommentSet = FALSE;
					}
				}

				strRight = strRight.Right(strRight.GetLength()-nDoubleSplashFoundAt-2);
			}while(strRight.Find("/*")!=-1&&!bCounted);
			if(bCounted)continue;
		}

		int nStartComment = bufRead.Find("/*");
		if(nStartComment == 0  && !bCommentSet ) // "/*" is the first two chars
		{
			bCommentSet = TRUE;
//			nLineCommentBegin = nLines;
		}
		else if(nStartComment != -1 &&!bCommentSet) // "/*" is not the first two chars though found. so it's a code line
		{
			bCommentSet = TRUE;
			nLineCommentBegin = nLines;
			nCommentLines --; //最终的nCommentLines会加1，所以此处要先减1

			if(bufRead.Find("\"")!=-1) //防止/*在两个"之间，如 "...../*....."，这种/*不是注释符
			{
				CString strTemp = bufRead.Left(nStartComment); //开始到/*之间的代码
				int nCountQuota=0;
				int i=1;
				if(strTemp[0]=='\"')nCountQuota++; 
				while((strTemp[i]=='\"'&&strTemp[i-1]!='\\')&&i<strTemp.GetLength() )
				{
					nCountQuota++;
					i++;
				}
				if((nCountQuota/2)*2 != nCountQuota)//nCountQuota为奇数，则说明/*在引号中，此处非注释行，还原bCommentSet
				{
					bCommentSet = FALSE;
					nCommentLines ++;
				}
			}
		}

		bufRead.TrimRight();

		int nEndComment = bufRead.Find("*/");
		if(bufRead.GetLength()>=2 && (nEndComment == (bufRead.GetLength()-2)) && bCommentSet)
		//至少有两个字符				*/在该行的最后							前面有/*
		{
			bCommentSet = FALSE;
			nCommentLines ++;  
		}
		else if(nEndComment != -1 && bCommentSet)// */不在该行最后，则需要继续判断
		{
			bCommentSet = FALSE;
			if(nLineCommentBegin == nLines) // /* */ on the same line
				nCommentLines++;
			CString strRight = bufRead.Right(bufRead.GetLength()-nEndComment-2);
			if(strRight.Find("//")!=-1) //it is very strange!  such as  "code */ (code or blank) // code"
			{
				strRight.TrimLeft();
				if(strRight.Find("//")==0)
					nCommentLines++;
			}
			else if(nLineCommentBegin != nLines && strRight.GetLength()==0)
				nCommentLines++;
		}

		if(bCommentSet)
			nCommentLines++;

		if(IsOdd(HowManyCharsInString(bufRead, "\"", bCommentSet))&&!bCommentSet)
		{
//			if(bQuatoSet)
//			{//本行继续前一行的字符串
//				BOOL bCommentBegin = FALSE;
//				for(int i=0; i<bufRead.GetLength(); i++)
//				{
//					if(bufRead[i]=='"' && !bCommentBegin)
//						bQuatoSet = !bQuatoSet;
//					if((!bQuatoSet && bufRead[i]=='/' && bufRead[i+1]=='/')||((!bQuatoSet && bufRead[i]=='/' && bufRead[i+1]=='*')))
//						bCommentBegin = TRUE;
//				}
//			}
//			else
//			{//本行可能新起一行字符串
				BOOL bCommentBegin = FALSE;
				for(int i=0; i<bufRead.GetLength()-1; i++)
				{
					if(bufRead[i]=='"' && !bCommentBegin)
						bQuatoSet = !bQuatoSet;
					if((!bQuatoSet && bufRead[i]=='/' && bufRead[i+1]=='/')||((!bQuatoSet && bufRead[i]=='/' && bufRead[i+1]=='*')))
						bCommentBegin = TRUE;
				}
				if(bQuatoSet && bufRead[bufRead.GetLength()-1]!='\\')//字符串本行未结束，但本行最后一个字符不是\，则可能有误
				{
					CString strMsg;
//					strMsg.Format("文件%s的第%d行可能有问题");
					AfxMessageBox(strMsg);
				}
//			}
		}
	}

	*pnCommentLines = nCommentLines;
	*pnBlankLines = nBlankLines;

	file.Close();

	return nLines;
}

/*********************************************************
	统计c++文件 1.0版本
*********************************************************/
int CCountingDlg::GetCppFileLines_1_0(LPCTSTR strFileName, int* pnLength, int *pnCodeLines, int* pnCommentLines, int* pnBlankLines)
{
	//there are two methods to count lines in files, by CStdioFile or CFile
	*pnLength = 0;
	*pnCommentLines = 0;
	*pnBlankLines = 0;

	CStdioFile file;
	if(file.Open(strFileName, CFile::modeRead)==FALSE)
		return 0;

	int nLines = 0;
	int nCommentLines = 0;
	int nBlankLines = 0;

	BOOL bCommentSet = FALSE; //注释行统计标识 有"/*"时TRUE, "*/"时FALSE

	int nLength = file.GetLength();
	*pnLength = nLength;

	CString bufRead;

	int nLineCommentBegin = 0;
	while(file.ReadString(bufRead)!=FALSE)
	{
		nLines++;

		bufRead.TrimLeft(); //先将文件头的空格或制表符去掉

		if(bufRead.GetLength()==0) //为空白行
		{
			nBlankLines++;
			continue;
		}

		if(bufRead.Find("//")==0 && !bCommentSet)
		{
			nCommentLines++;
			continue;
		}

		int nStartComment = bufRead.Find("/*");
		if(nStartComment == 0  && !bCommentSet ) // "/*" is the first two chars
		{
			bCommentSet = TRUE;
			nLineCommentBegin = nLines;
		}
		else if(nStartComment != -1 &&!bCommentSet) // "/*" is not the first two chars though found. so it's a code line
		{
			bCommentSet = TRUE;
			nLineCommentBegin = nLines;
			nCommentLines --; //最终的nCommentLines会加1，所以此处要先减1

			if(bufRead.Find("\"")!=-1) //防止/*在两个"之间，如 "...../*....."，这种/*不是注释符
			{
				CString strTemp = bufRead.Left(nStartComment); //开始到/*之间的代码
				int nCountQuota=0;
				int i=1;
				if(strTemp[0]=='\"')nCountQuota++; 
				while((strTemp[i]=='\"'&&strTemp[i-1]!='\\')&&i<strTemp.GetLength() )
				{
					nCountQuota++;
					i++;
				}
				if((nCountQuota/2)*2 != nCountQuota)//nCountQuota为奇数，则说明/*在引号中，此处非注释行，还原bCommentSet
				{
					bCommentSet = FALSE;
					nCommentLines ++;
				}
			}
		}

		bufRead.TrimRight();

		int nEndComment = bufRead.Find("*/");
		if(bufRead.GetLength()>=2 && (nEndComment == (bufRead.GetLength()-2)) && bCommentSet)
		//至少有两个字符				*/在该行的最后							前面有/*
		{
			bCommentSet = FALSE;
			nCommentLines ++;  
		}
		else if(nEndComment != -1 && bCommentSet)// */不在该行最后，则需要继续判断
		{
			bCommentSet = FALSE;
			if(nLineCommentBegin == nLines) // /* */ on the same line
				nCommentLines++;
			bufRead = bufRead.Right(bufRead.GetLength()-nEndComment-2);
			if(bufRead.Find("//")!=-1) //it is very strange!  such as  "code */ (code or blank) // code"
			{
				bufRead.TrimLeft();
				if(bufRead.Find("//")==0)
					nCommentLines++;
			}
			else if(nLineCommentBegin != nLines && bufRead.GetLength()==0)
				nCommentLines++;
		}

		if(bCommentSet)
			nCommentLines++;
	}

	*pnCommentLines = nCommentLines;
	*pnBlankLines = nBlankLines;

	file.Close();

	return nLines;

	//下述代码不是使用CStdioFile，有错误

/*	CFile file;

	file.Open(strFileName, CFile::modeRead);

	int nLines = 0;
	int nCodeLines = 0;
	int nCommentLines = 0;
	int nBlankLines = 0;

	BOOL bLastSplash = FALSE;
	BOOL bDoubleSplash = FALSE;
	BOOL bLastStar = FALSE;
	BOOL bCommentCount = FALSE;
	BOOL bBlankCount = TRUE;

	int nLength = file.GetLength();
	m_nSize += nLength;
	*pnLength = nLength;

	char buf[255];
	int nRead = 0;
	while(nLength>0)
	{
		nRead = file.Read(buf, 250);
		
		if(buf[0] == '*' && bLastSplash)
		{
			bLastSplash = FALSE;
			bCommentCount = TRUE;
		}

		if(buf[0] == '/' && bLastSplash && !bCommentCount && bBlankCount && !bDoubleSplash)
		{
			bLastSplash = FALSE;
			bDoubleSplash = TRUE;
		}

		if(buf[0] == '/' && bLastStar)
		{
			bLastStar = FALSE;
			bCommentCount = FALSE;
			nCommentLines++;
		}

		for(int i=0; i<nRead; i++)
		{
			if(buf[i] == '/')
			{
				if(i<nRead-1 && buf[i+1]=='*' && !bDoubleSplash )
					bCommentCount = TRUE;
				if(i<nRead-1 && buf[i+1]=='/' && !bCommentCount && bBlankCount  && !bDoubleSplash)
					bDoubleSplash = TRUE;
				if(i==nRead-1)
					bLastSplash=TRUE;
			}


			if(buf[i] == '*')
			{
				if(i<nRead-1 && buf[i+1]=='/')
				{
					bCommentCount = FALSE;
					nCommentLines++;
				}
				if(i==nRead-1)
					bLastStar=TRUE;
			}
			
			if( buf[i]!=' ' && buf[i]!='\t' && buf[i]!='\r' && buf[i]!='\n')//&& bBlankCount)
				bBlankCount = FALSE;

			if(buf[i]=='\n')
			{
				nLines++;
				if(bBlankCount)nBlankLines++;
				if(bBlankCount && bCommentCount)nCommentLines--;
				if(bDoubleSplash)
				{
					nCommentLines++;
					bDoubleSplash = FALSE;
				}

				bBlankCount = TRUE;
				
				if(bCommentCount) nCommentLines++;
			}
		}
		nLength -= nRead;
	}

	if(buf[nRead-1]!='\n')
		nLines++;
	if(bDoubleSplash)
		nCommentLines++;

	*pnCommentLines = nCommentLines;
	*pnBlankLines = nBlankLines;

	file.Close();

	return nLines;
*/
}

/*****************************************************************
	统计SQL文件的行数

*****************************************************************/

int CCountingDlg::GetSqlFileLines(LPCTSTR strFileName, int *pnLength, int *pnCodeLines, int *pnCommentLines, int *pnBlankLines)
{
	*pnLength = 0;
	*pnCommentLines = 0;
	*pnBlankLines = 0;

	CStdioFile file;
	if(file.Open(strFileName, CFile::modeRead)==FALSE)
		return 0;

	int nLines = 0;
	int nCommentLines = 0;
	int nBlankLines = 0;

	BOOL bCommentSet = FALSE;

	int nLength = file.GetLength();
	m_nSize += nLength;
	*pnLength = nLength;

	CString bufRead;

	while(file.ReadString(bufRead)!=FALSE)
	{
		nLines++;

		bufRead.TrimLeft();

		if(bufRead.GetLength()==0)
		{
			nBlankLines++;
			continue;
		}

		if(bufRead.Find("--")==0 && !bCommentSet)
		{
			nCommentLines++;
			continue;
		}

		int nStartComment = bufRead.Find("/*");
		if(nStartComment == 0  && !bCommentSet ) // "/*" is the first two chars
		{
			bCommentSet = TRUE;
		}
		else if(nStartComment != -1 &&!bCommentSet) // "/*" is not the first two chars though found. so it's a code line
		{
			bCommentSet = TRUE;
			nCommentLines --;  
		}

		bufRead.TrimRight();

		int nEndComment = bufRead.Find("*/");
		if(bufRead.GetLength()>=2 && (nEndComment == bufRead.GetLength()-2))
		{